Home / 859,570.38-1,289,511.22-283,224.45

Finding the Fourth Proportional to 859,570.38, 1,289,511.22 and 283,224.45

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Solution

The fourth proportional to 859,570.38, 1,289,511.22 and 283,224.45 is: 424,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,570.38 : 1,289,511.22 = 283,224.45 : x
  2. Step 2: Convert to fraction form
    859,570.38/1,289,511.22 = 283,224.45/x
  3. Step 3: Cross multiply
    859,570.38x = 1,289,511.22 × 283,224.45
  4. Step 4: Simplify right side
    859,570.38x = 365,221,105,345.27
  5. Step 5: Solve for x
    x = 365,221,105,345.27/859,570.38
  6. Step 6: Final answer
    x = 424,887.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.